XD! not to be rude, but this is the wrong section, AND I know why it's over heating. On any build like that, you need decent cooling, and you have no CPU cooler? For just $25 you can buy thermal paste and a half way decent fan on newegg. If you keep on over heating it like that, and don't put a cooler on it asap, you reduce it's life every time you turn the system on.